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ruby--ruby/spec/bundler/support/streams.rb
hsbt be7b592912 Update bundled bundler to 1.16.0.
* lib/bundler, spec/bundler: Merge bundler-1.16.0.
  * common.mk: rspec examples of bundler-1.16.0 needs require option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-11-01 23:29:38 +00:00

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Ruby

# frozen_string_literal: true
require "stringio"
def capture(*streams)
streams.map!(&:to_s)
begin
result = StringIO.new
streams.each {|stream| eval "$#{stream} = result" }
yield
ensure
streams.each {|stream| eval("$#{stream} = #{stream.upcase}") }
end
result.string
end